Leave a Light on
Blink the lights of the people you love
A tap in the app โ and a lamp lights up in your loved one's living room. Leave a Light on turns smart lights into a tiny signal that says: I'm thinking of you.
The home screen โ one tile per friend, a blue tile just blinked.
Closeness, one blink away
No messages, no notifications, no pressure to reply. Just light.
Connect your lights
Works with Philips Hue and Home Assistant. Link your account in seconds and pick the lamp your friends are allowed to blink.
Invite your people
Share a personal invite link. Only friends who you accept can ever reach your light.
A color for everyone
Give each friend their own color, so you always know who is thinking of you right now.
Do Not Disturb
Need quiet? Flip one switch and your light stays calm until you're ready again.
How it works
From install to the first blink in under five minutes.
Create your account
Sign up with your email address or your Google account โ on Android or right in the browser.
Connect your light
Log in to Philips Hue once โ or enter your Home Assistant URL โ and choose the lamp you want to share.
Add your friends
Send an invite link. When your friend accepts, you appear on each other's home screen.
Blink away
Tap a friend's tile and their lamp blinks in your color. That's it โ that's the app.